<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="读者" prop="readerId">
        <el-input
          v-model="queryParams.readerId"
          placeholder="请输入读者姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['borrow:info:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['borrow:info:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['borrow:info:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['borrow:info:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="infoList" @selection-change="handleSelectionChange">

      <el-table-column type="expand">
        <template slot-scope="props">
          <el-form label-position="left"  class="demo-table-expand">
            <el-row :gutter="20">
              <el-col :span="2">

              </el-col>
              <el-col :span="7">
                <el-form-item label="归还时间">
                  <span>{{ props.row.returnTime }}</span>
                </el-form-item>
              </el-col>
              <el-col :span="7">
                <el-form-item label="超期天数">
                  <span>{{ props.row.overdueDays }}</span>
                </el-form-item>
              </el-col>
              <el-col :span="8">
                <el-form-item label="超期金额">
                  <span>{{ props.row.overdueAmount }}</span>
                </el-form-item>
              </el-col>
            </el-row>



          </el-form>
        </template>
      </el-table-column>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="读者姓名" align="left" prop="readerName" />
      <el-table-column label="图书名称" align="left" prop="bookName"  width="200"/>
      <el-table-column label="借阅开始时间" align="center" prop="borrowStartTime" width="150">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.borrowStartTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="借阅结束时间" align="center" prop="borrowEndTime" width="150">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.borrowEndTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="借阅天数" align="center" prop="dayNum" />
      <el-table-column label="状态" align="center" prop="state" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.borrow_state" :value="scope.row.state"/>
        </template>
      </el-table-column>
      <!--<el-table-column label="归还时间" align="center" prop="returnTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.returnTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>-->
      <el-table-column label="应付金额" align="center" prop="money" />

      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="280">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['borrow:info:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['borrow:info:remove']"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleRenew(scope.row)"
            v-hasPermi="['borrow:info:xujie']"
            :disabled="scope.row.state==='2'||scope.row.state==='4'"
          >续借</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-finished"
            @click="handleReturn(scope.row)"
            v-hasPermi="['borrow:info:back']"
            :disabled="scope.row.state==='2'"
          >归还</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-finished"
            @click="remindReturn(scope.row)"
            v-hasPermi="['borrow:info:remind']"
            :disabled="scope.row.state==='2'"
          >提醒归还</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改借阅信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="借阅人姓名" prop="readerId">
          <el-select v-model="form.readerId" filterable placeholder="请选择借阅人" style="width: 100%" @change="handlePeople">
            <el-option
              v-for="item in readerList"
              :key="item.id"
              :label="item.readerName"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="图书名称" prop="bookId">
          <el-select v-model="form.bookId" filterable placeholder="请选择图书" style="width: 100%" @change="handlerBook">
            <el-option
              v-for="item in bookList"
              :key="item.id"
              :label="item.bookName"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="租金/日">
          <el-input v-model="form.rent" placeholder="请输入租金" disabled>
            <template slot="append">元</template>
          </el-input>
        </el-form-item>
        <el-form-item label="借阅开始时间" prop="borrowStartTime">
          <el-date-picker clearable
                          style="width: 100%"
            v-model="form.borrowStartTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择借阅开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="借阅结束时间" prop="borrowEndTime">
          <el-date-picker clearable
                          style="width: 100%"
            v-model="form.borrowEndTime"
            type="date"
            value-format="yyyy-MM-dd"
            @change="handleDate"
            placeholder="请选择借阅结束时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="借阅天数" prop="dayNum" v-show="showDay">
          <el-input v-model="form.dayNum"  disabled>
            <template slot="append">天</template>
          </el-input>
        </el-form-item>
        <el-form-item label="应付金额" prop="money">
          <el-input v-model="form.money" placeholder="请输入应付金额" disabled>
            <template slot="append">元</template>
          </el-input>

        </el-form-item>
        <el-form-item label="状态" prop="state">
          <el-select v-model="form.state" placeholder="请选择状态" clearable style="width: 100%" :disabled="this.form.id===null">
            <el-option
              v-for="dict in dict.type.borrow_state"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <!--<el-form-item label="归还时间" prop="returnTime">
          <el-date-picker clearable
                          style="width: 100%"
                          v-model="form.returnTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择归还时间">
          </el-date-picker>
        </el-form-item>-->
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>


    <el-dialog :title="returntitle" :visible.sync="returnopen" width="600px" append-to-body>
      <el-form ref="returnForm" :model="returnForm"  label-width="120px" disabled>
        <el-form-item label="借阅人姓名" prop="readerId">
          <el-select v-model="returnForm.readerId" filterable placeholder="请选择借阅人" style="width: 100%" >
            <el-option
              v-for="item in readerList"
              :key="item.id"
              :label="item.readerName"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="图书名称" prop="bookId">
          <el-select v-model="returnForm.bookId" filterable placeholder="请选择图书" style="width: 100%" @change="handlerBook">
            <el-option
              v-for="item in bookList"
              :key="item.id"
              :label="item.bookName"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="超期租金/日">
          <el-input v-model="returnForm.rent*2"placeholder="请输入租金" disabled>
            <template slot="append">元</template>
          </el-input>
        </el-form-item>
        <el-form-item label="借阅开始时间" prop="borrowStartTime">
          <el-date-picker clearable
                          style="width: 100%"
                          v-model="returnForm.borrowStartTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择借阅开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="借阅结束时间" prop="borrowEndTime">
          <el-date-picker clearable
                          style="width: 100%"
                          v-model="returnForm.borrowEndTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          @change="handleDate"
                          placeholder="请选择借阅结束时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="超期天数" prop="overdueDays">
          <el-input v-model="returnForm.overdueDays" disabled>
            <template slot="append">天</template>
          </el-input>
        </el-form-item>
        <el-form-item label="超期金额" prop="overdueAmount">
          <el-input v-model="returnForm.overdueAmount" placeholder="请输入应付金额" disabled>
            <template slot="append">元</template>
          </el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitReturnForm">确 定</el-button>
        <el-button @click="returncancel">取 消</el-button>
      </div>
    </el-dialog>



  </div>
</template>

<script>
import { listBorrow, getBorrow, delBorrow, addBorrow, updateBorrow,getOverDay ,getRemindReturn} from "@/api/book/borrow";
import { listName } from "@/api/book/reader";
import { listBookName,getInfo } from "@/api/book/info";

export default {
  name: "Info",
  dicts: ['borrow_state'],
  data() {
    return {
      returntitle:'',
      returnopen:false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 借阅信息表格数据
      infoList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        readerId: null,
        bookId: null,
        borrowStartTime: null,
        borrowEndTime: null,
        state: null,
        money: null,
        createUser: null,
        updateUser: null,
        returnTime: null
      },
      // 表单参数
      form: {
        state:'1'
      },

      // 表单校验
      rules: {
        readerId: [
          { required: true, message: "借阅人不能为空", trigger: "change" }
        ],
        bookId: [
          { required: true, message: "图书名称不能为空", trigger: "change" }
        ],
        borrowStartTime: [
          { required: true, message: "借阅开始时间不能为空", trigger: "blur" }
        ],
        borrowEndTime: [
          { required: true, message: "借阅结束时间不能为空", trigger: "blur" }
        ],
        money: [
          { required: true, message: "应付金额不能为空", trigger: "change" }
        ]
      },
      readerList:[],
      readerParams: {
        readerName: null,
        email: null,
        state: null,
        idNumber: null,
        phoneNum: null,
        sex: null,
        createUser: null,
        updateUser: null,
      },
      bookList:[],
      bookParams: {
        bookName: null,
        bookType: null,
        bookInventory: null,
        author: null,
        press: null,
        unshelve: 0,
        createUser: null,
        updateUser: null
      },
      bookInfo:{},
      showRent:false,
      rent:0,
      showDay:false,
      renewSync:false,
      returnSync:false,
      returnForm:{}
    };
  },
  computed:{
    heaven:{
      get(){
        return (new Date(this.form.borrowEndTime)- new Date(this.form.borrowStartTime))/3600/1000/24+1
      }
    }
  },
  created() {
    this.getList();
    this.getReaderList()
    this.getBookList()
  },
  methods: {
    /** 查询借阅信息列表 */
    getList() {
      this.loading = true;
      listBorrow(this.queryParams).then(response => {
        this.infoList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    returncancel() {
      this.returnopen= false;
      this.resetReturn()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        readerId: null,
        bookId: null,
        borrowStartTime: null,
        borrowEndTime: null,
        state:'1',
        money: null,
        delFlag: null,
        remark: null,
        createTime: null,
        createUser: null,
        updateUser: null,
        updateTime: null,
        returnTime: null,
        rent:null,
        readerName:null,
        bookName:null
      };
      this.resetForm("form");
    },
    resetReturn() {
      this.returnForm = {
        id: null,
        readerId: null,
        bookId: null,
        borrowStartTime: null,
        borrowEndTime: null,
        state:null,
        money: null,
        delFlag: null,
        remark: null,
        createTime: null,
        createUser: null,
        updateUser: null,
        updateTime: null,
        returnTime: null,
        rent:null
      };
      this.resetForm("returnForm");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.getReaderList()
      this.getBookList()
      this.showRent = false
      this.open = true;
      this.showDay = false
      this.title = "添加借阅信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getReaderList()
      this.getBookList()
      const id = row.id || this.ids
      getBorrow(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.showRent = true
        this.showDay = true
        this.title = "修改借阅信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateBorrow(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBorrow(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除借阅信息编号为"' + ids + '"的数据项？').then(function() {
        return delBorrow(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('book/info/export', {
        ...this.queryParams
      }, `info_${new Date().getTime()}.xlsx`)
    },
    getReaderList() {
      listName(this.readerParams).then(response => {
        this.readerList = response.list
      });
    },
    getBookList() {
      listBookName(this.bookParams).then(response => {
        this.bookList = response.list
      });
    },
    handlerBook(data){
      let obj = {}
      obj = this.bookList.find((item)=>{//这里的userList就是上面遍历的数据源
        return item.id === data;//筛选出匹配数据
      });
      this.form.bookName = obj.bookName
      getInfo(data).then(response => {
        this.bookInfo = response.data;
        this.form.rent = this.bookInfo.rent
        this.showRent = true
      });
    },
    handleDate(date){
      this.form.dayNum = this.heaven
      this.showDay = true
      this.form.money = this.form.dayNum * this.form.rent
    },

    handleRenew(rowData){
      this.form = rowData
      this.form.state = '2'
      updateBorrow(this.form).then(response => {
        this.reset();
        this.getReaderList()
        this.getBookList()
        this.open = true;
      });
        /*this.showRent = true
        this.showDay = true*/

    },
    handleReturn(rowData){
      this.form = rowData
      if(this.form.state!=='4'){
        this.form.state = '2'
        updateBorrow(this.form).then(response => {
          this.$modal.msgSuccess("归还成功");
          this.open = false;
          this.getList();
        });
      }else{
        getOverDay(this.form.id).then(response => {
          this.resetReturn()
          this.returnForm = response.data;
          this.getReaderList()
          this.getBookList()
          this.returnopen = true;
          this.returntitle = "超期信息";
        });
      }

    },
    submitReturnForm() {
      this.$refs["returnForm"].validate(valid => {
        if (valid) {
          this.returnForm.state = '2'
            updateBorrow(this.returnForm).then(response => {
              this.$modal.msgSuccess("归还成功");
              this.returnopen = false;
              this.getList();
            });
        }
      });
    },
    remindReturn(rowData){
      getRemindReturn(rowData.id).then(response => {
        this.$modal.msgSuccess(response.msg);
      });
    },
    handlePeople(value){
      let obj = {}
      obj = this.readerList.find((item)=>{//这里的userList就是上面遍历的数据源
        return item.id === value;//筛选出匹配数据
      });
      this.form.readerName = obj.readerName
    }
  }
};
</script>
